Passing by Mysia, they went down to Troas instead.
And they passing by Mysia came down to Troas.
So passing by Mysia, they went down to Troas.
and passing by Mysia, they came down to Troas.
Then, when they had crossed through Mysia, they descended to Troas.
And when they had passed through Mysia, they went down to Troas.